UBUNTU-CVE-2020-11931

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Source
https://ubuntu.com/security/CVE-2020-11931
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-11931.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-11931
Upstream
  • CVE-2020-11931
Downstream
Related
Published
2020-04-16T00:00:00Z
Modified
2026-04-22T12:27:26Z
Severity
  • 3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
  • 3.3 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An Ubuntu-specific modification to Pulseaudio to provide security mediation for Snap-packaged applications was found to have a bypass of intended access restriction for snaps which plugs any of pulseaudio, audio-playback or audio-record via unloading the pulseaudio snap policy module. This issue affects: pulseaudio 1:8.0 versions prior to 1:8.0-0ubuntu3.12; 1:11.1 versions prior to 1:11.1-1ubuntu7.7; 1:13.0 versions prior to 1:13.0-1ubuntu1.2; 1:13.99.1 versions prior to 1:13.99.1-1ubuntu3.2;

References

Affected packages

Ubuntu:16.04:LTS / pulseaudio

Package

Name
pulseaudio
Purl
pkg:deb/ubuntu/pulseaudio@1:8.0-0ubuntu3.12?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:8.0-0ubuntu3.12

Affected versions

1:6.*
1:6.0-0ubuntu13
1:7.*
1:7.1-1ubuntu1
1:7.1-1ubuntu2
1:7.1-1ubuntu3
1:7.1-1ubuntu6
1:7.1-1ubuntu7
1:8.*
1:8.0-0ubuntu2
1:8.0-0ubuntu3
1:8.0-0ubuntu3.1
1:8.0-0ubuntu3.2
1:8.0-0ubuntu3.3
1:8.0-0ubuntu3.4
1:8.0-0ubuntu3.7
1:8.0-0ubuntu3.8
1:8.0-0ubuntu3.9
1:8.0-0ubuntu3.10
1:8.0-0ubuntu3.11

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libpulse-mainloop-glib0",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "libpulse0",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "libpulsedsp",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "pulseaudio",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "pulseaudio-esound-compat",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "pulseaudio-module-bluetooth",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "pulseaudio-module-droid",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "pulseaudio-module-gconf",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "pulseaudio-module-jack",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "pulseaudio-module-lirc",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "pulseaudio-module-raop",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "pulseaudio-module-trust-store",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "pulseaudio-module-x11",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "pulseaudio-module-zeroconf",
            "binary_version": "1:8.0-0ubuntu3.12"
        },
        {
            "binary_name": "pulseaudio-utils",
            "binary_version": "1:8.0-0ubuntu3.12"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-11931.json"

Ubuntu:18.04:LTS / pulseaudio

Package

Name
pulseaudio
Purl
pkg:deb/ubuntu/pulseaudio@1:11.1-1ubuntu7.7?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:11.1-1ubuntu7.7

Affected versions

1:10.*
1:10.0-2ubuntu3
1:11.*
1:11.1-1ubuntu1
1:11.1-1ubuntu2
1:11.1-1ubuntu4
1:11.1-1ubuntu5
1:11.1-1ubuntu6
1:11.1-1ubuntu7
1:11.1-1ubuntu7.1
1:11.1-1ubuntu7.2
1:11.1-1ubuntu7.4
1:11.1-1ubuntu7.5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libpulse-mainloop-glib0",
            "binary_version": "1:11.1-1ubuntu7.7"
        },
        {
            "binary_name": "libpulse0",
            "binary_version": "1:11.1-1ubuntu7.7"
        },
        {
            "binary_name": "libpulsedsp",
            "binary_version": "1:11.1-1ubuntu7.7"
        },
        {
            "binary_name": "pulseaudio",
            "binary_version": "1:11.1-1ubuntu7.7"
        },
        {
            "binary_name": "pulseaudio-equalizer",
            "binary_version": "1:11.1-1ubuntu7.7"
        },
        {
            "binary_name": "pulseaudio-esound-compat",
            "binary_version": "1:11.1-1ubuntu7.7"
        },
        {
            "binary_name": "pulseaudio-module-bluetooth",
            "binary_version": "1:11.1-1ubuntu7.7"
        },
        {
            "binary_name": "pulseaudio-module-gconf",
            "binary_version": "1:11.1-1ubuntu7.7"
        },
        {
            "binary_name": "pulseaudio-module-jack",
            "binary_version": "1:11.1-1ubuntu7.7"
        },
        {
            "binary_name": "pulseaudio-module-lirc",
            "binary_version": "1:11.1-1ubuntu7.7"
        },
        {
            "binary_name": "pulseaudio-module-raop",
            "binary_version": "1:11.1-1ubuntu7.7"
        },
        {
            "binary_name": "pulseaudio-module-zeroconf",
            "binary_version": "1:11.1-1ubuntu7.7"
        },
        {
            "binary_name": "pulseaudio-utils",
            "binary_version": "1:11.1-1ubuntu7.7"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-11931.json"

Ubuntu:20.04:LTS / pulseaudio

Package

Name
pulseaudio
Purl
pkg:deb/ubuntu/pulseaudio@1:13.99.1-1ubuntu3.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:13.99.1-1ubuntu3.2

Affected versions

1:13.*
1:13.0-1ubuntu1
1:13.0-1ubuntu4
1:13.0-1ubuntu5
1:13.0-3ubuntu1
1:13.0-3ubuntu2
1:13.99.1-1ubuntu1
1:13.99.1-1ubuntu2
1:13.99.1-1ubuntu3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "libpulse-mainloop-glib0",
            "binary_version": "1:13.99.1-1ubuntu3.2"
        },
        {
            "binary_name": "libpulse0",
            "binary_version": "1:13.99.1-1ubuntu3.2"
        },
        {
            "binary_name": "libpulsedsp",
            "binary_version": "1:13.99.1-1ubuntu3.2"
        },
        {
            "binary_name": "pulseaudio",
            "binary_version": "1:13.99.1-1ubuntu3.2"
        },
        {
            "binary_name": "pulseaudio-equalizer",
            "binary_version": "1:13.99.1-1ubuntu3.2"
        },
        {
            "binary_name": "pulseaudio-module-bluetooth",
            "binary_version": "1:13.99.1-1ubuntu3.2"
        },
        {
            "binary_name": "pulseaudio-module-gsettings",
            "binary_version": "1:13.99.1-1ubuntu3.2"
        },
        {
            "binary_name": "pulseaudio-module-jack",
            "binary_version": "1:13.99.1-1ubuntu3.2"
        },
        {
            "binary_name": "pulseaudio-module-lirc",
            "binary_version": "1:13.99.1-1ubuntu3.2"
        },
        {
            "binary_name": "pulseaudio-module-raop",
            "binary_version": "1:13.99.1-1ubuntu3.2"
        },
        {
            "binary_name": "pulseaudio-module-zeroconf",
            "binary_version": "1:13.99.1-1ubuntu3.2"
        },
        {
            "binary_name": "pulseaudio-utils",
            "binary_version": "1:13.99.1-1ubuntu3.2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-11931.json"